2021 BMW 3 Series 2.0 M Sport
Price: £20,995. Good value: £2,322 (9%) under the AskCar estimate of £23,317, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,742 priced BMW 3 Series adverts on AskCar as of 2 November 2026.
AskCar lists 7,040 used BMW 3 Series from 2,692 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: 3 Series
- Trim: M Sport
- Version: 2.0 MHT M Sport Auto Euro 6 4dr
- Year: 2021
- Mileage: 36,233 miles
- Fuel: Diesel, mild hybrid
- Body: Saloon, 4 doors, 5 seats
- Engine: 2.0 litres
- Gearbox: Automatic
- Colour: Grey
- CO2: 127 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 36,233 miles, this 2021 BMW 3 Series M Sport has covered about 18,700 fewer miles than other 2021 BMW 3 Series cars. Priced at £20,995, it is advertised £2,322 below the AskCar estimate of £23,317. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. It first appeared in our advert records 10 days ago. Its advertised mileage matches the government's MOT record. The seller is TF Car Centre, based in Chorley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £2,322 (9%) under the AskCar estimate of £23,317.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.
Time on sale
This 2021 BMW 3 Series has been on sale for at least 10 days.
Price history
AskCar first saw this advert on 23 October 2026 at £20,995. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 May 2027.
It has had 3 MOTs. The latest, on 21 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 34,352 miles, which matches the advertised 36,233 miles.
Advertised mileage is about 18,700 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.
Similar cars
60 other 2021 BMW 3 Series M Sport 2.0 diesel automatic saloons are for sale at UK dealers, from £13,500 to £25,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, white. Mileage: 36,844 miles. Price: £23,590, £2,595 more than this car. Dealer: Marshall BMW Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-bcef8fef470f
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 37,757 miles. Price: £20,998, the same price as this car. Dealer: Arnold Clark Glasgow Hamilton Road Peugeot Leapmotor in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-5b5e12e93fae
- 2021 BMW 3 Series M Sport, 2.0 diesel saloon, blue. Mileage: 37,996 miles. Price: £22,495, £1,500 more than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-813d0c69ea4e
- The nearest: 2021 BMW 3 Series M Sport, 2.0 diesel saloon, grey, 2 miles from this car. Mileage: 70,000 miles. Price: £19,999, £996 less than this car. Dealer: J R R Cars in Leyland. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-233bf6e77e84
Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide
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Photos
45 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.